When encountering a fellow hiker, don’t feel you need to shake hands when you introduce yourself. Just smile and nod. I read somewhere that hobo’s don’t do a lot of hand shaking. Probably because they aren’t sure about their fellow hobo’s hygiene. Same as on the trail.
Hobo handshake
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Or carry a tiny bottle of hand sanitizer. Use when the other person isn’t looking.
I talked to some real hobos the other day. They shook hands with left hands.